Electronics Forum | Fri Sep 17 03:55:45 EDT 1999 | Brian
| We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a reco
Electronics Forum | Tue Jul 13 19:00:29 EDT 1999 | JohnW
| Hi All, | Does any one experienced the solder on gold finger after | reflow. Its about 5 to 8 mils diameter . | We'd clean the entire screen printer, mounter & reflow as well, | but doesn't help much. | | Mr Kong..... Solder on gold is a age old
Electronics Forum | Wed Jul 14 10:58:25 EDT 1999 | Upinder Singh
| | Hi All, | | Does any one experienced the solder on gold finger after | | reflow. Its about 5 to 8 mils diameter . | | We'd clean the entire screen printer, mounter & reflow as well, | | but doesn't help much. | | | | | Mr Kong..... | | Solder
Electronics Forum | Tue Dec 01 07:24:44 EST 1998 | Earl Moon
| Hi folks , | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspection
Electronics Forum | Tue Dec 01 07:54:49 EST 1998 | kallol chakraborty
| | Hi folks , | | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspec
Electronics Forum | Sat Nov 14 08:05:54 EST 1998 | Earl Moon
| | | | I believe that gold fingers on my circuit boards are being | | | | contaminated and need to clean them with some chemical | | | | solution. Any recommendations. | | | | | | | Chuck: What is the type and source of your contamination? Dave
Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon
| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, We and ind
Electronics Forum | Mon May 03 18:11:10 EDT 1999 | Steve Gregory
Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even
Electronics Forum | Mon May 03 18:11:32 EDT 1999 | Steve Gregory
Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even
Electronics Forum | Tue May 04 14:37:44 EDT 1999 | JohnW
| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment
